Add hover support to TextArea & TextField

Task-number: QTBUG-50003
Change-Id: Ie101ba8840fba2a7503da8de77d9cf2a3c91d562
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

6 files changed, 159 insertions, 2 deletions

diff --git a/src/quicktemplates2/qquicktextarea.cpp b/src/quicktemplates2/qquicktextarea.cpp
index 11fe7393..7bda34f5 100644
--- a/src/quicktemplates2/qquicktextarea.cpp
+++ b/src/quicktemplates2/qquicktextarea.cpp
@@ -107,7 +107,7 @@ QT_BEGIN_NAMESPACE
 */
 
 QQuickTextAreaPrivate::QQuickTextAreaPrivate()
-    : background(nullptr), focusReason(Qt::OtherFocusReason), accessibleAttached(nullptr), flickable(nullptr)
+    : hovered(false), background(nullptr), focusReason(Qt::OtherFocusReason), accessibleAttached(nullptr), flickable(nullptr)
 {
 #ifndef QT_NO_ACCESSIBILITY
     QAccessible::installActivationObserver(this);
@@ -471,6 +471,55 @@ void QQuickTextArea::setFocusReason(Qt::FocusReason reason)
     emit focusReasonChanged();
 }
 
+/*!
+    \since QtQuick.Controls 2.1
+    \qmlproperty bool QtQuick.Controls::TextArea::hovered
+    \readonly
+
+    This property holds whether the text area is hovered.
+
+    \sa hoverEnabled
+*/
+bool QQuickTextArea::isHovered() const
+{
+    Q_D(const QQuickTextArea);
+    return d->hovered;
+}
+
+void QQuickTextArea::setHovered(bool hovered)
+{
+    Q_D(QQuickTextArea);
+    if (hovered == d->hovered)
+        return;
+
+    d->hovered = hovered;
+    emit hoveredChanged();
+}
+
+/*!
+    \since QtQuick.Controls 2.1
+    \qmlproperty bool QtQuick.Controls::TextArea::hoverEnabled
+
+    This property determines whether the text area accepts hover events. The default value is \c true.
+
+    \sa hovered
+*/
+bool QQuickTextArea::isHoverEnabled() const
+{
+    Q_D(const QQuickTextArea);
+    return d->hoverEnabled;
+}
+
+void QQuickTextArea::setHoverEnabled(bool enabled)
+{
+    Q_D(QQuickTextArea);
+    if (enabled == d->hoverEnabled)
+        return;
+
+    setAcceptHoverEvents(enabled);
+    emit hoverEnabledChanged();
+}
+
 void QQuickTextArea::classBegin()
 {
     Q_D(QQuickTextArea);
@@ -543,6 +592,22 @@ void QQuickTextArea::focusOutEvent(QFocusEvent *event)
     setFocusReason(event->reason());
 }
 
+void QQuickTextArea::hoverEnterEvent(QHoverEvent *event)
+{
+    Q_D(QQuickTextArea);
+    QQuickTextEdit::hoverEnterEvent(event);
+    setHovered(d->hoverEnabled);
+    event->setAccepted(d->hoverEnabled);
+}
+
+void QQuickTextArea::hoverLeaveEvent(QHoverEvent *event)
+{
+    Q_D(QQuickTextArea);
+    QQuickTextEdit::hoverLeaveEvent(event);
+    setHovered(false);
+    event->setAccepted(d->hoverEnabled);
+}
+
 void QQuickTextArea::mousePressEvent(QMouseEvent *event)
 {
     Q_D(QQuickTextArea);
diff --git a/src/quicktemplates2/qquicktextarea_p.h b/src/quicktemplates2/qquicktextarea_p.h
index 571b91c6..f52bb01c 100644
--- a/src/quicktemplates2/qquicktextarea_p.h
+++ b/src/quicktemplates2/qquicktextarea_p.h
@@ -67,6 +67,8 @@ class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickTextArea : public QQuickTextEdit
     Q_PROPERTY(QQuickItem *background READ background WRITE setBackground NOTIFY backgroundChanged FINAL)
     Q_PROPERTY(QString placeholderText READ placeholderText WRITE setPlaceholderText NOTIFY placeholderTextChanged FINAL)
     Q_PROPERTY(Qt::FocusReason focusReason READ focusReason WRITE setFocusReason NOTIFY focusReasonChanged FINAL)
+    Q_PROPERTY(bool hovered READ isHovered NOTIFY hoveredChanged FINAL REVISION 1)
+    Q_PROPERTY(bool hoverEnabled READ isHoverEnabled WRITE setHoverEnabled NOTIFY hoverEnabledChanged FINAL REVISION 1)
 
 public:
     explicit QQuickTextArea(QQuickItem *parent = nullptr);
@@ -86,6 +88,12 @@ public:
     Qt::FocusReason focusReason() const;
     void setFocusReason(Qt::FocusReason reason);
 
+    bool isHovered() const;
+    void setHovered(bool hovered);
+
+    bool isHoverEnabled() const;
+    void setHoverEnabled(bool enabled);
+
 Q_SIGNALS:
     void fontChanged();
     void implicitWidthChanged3();
@@ -93,6 +101,8 @@ Q_SIGNALS:
     void backgroundChanged();
     void placeholderTextChanged();
     void focusReasonChanged();
+    Q_REVISION(1) void hoveredChanged();
+    Q_REVISION(1) void hoverEnabledChanged();
     void pressAndHold(QQuickMouseEvent *event);
 
 protected:
@@ -105,6 +115,8 @@ protected:
 
     void focusInEvent(QFocusEvent *event) override;
     void focusOutEvent(QFocusEvent *event) override;
+    void hoverEnterEvent(QHoverEvent *event) override;
+    void hoverLeaveEvent(QHoverEvent *event) override;
     void mousePressEvent(QMouseEvent *event) override;
     void mouseMoveEvent(QMouseEvent *event) override;
     void mouseReleaseEvent(QMouseEvent *event) override;
diff --git a/src/quicktemplates2/qquicktextarea_p_p.h b/src/quicktemplates2/qquicktextarea_p_p.h
index 8af5d0d7..40277b4f 100644
--- a/src/quicktemplates2/qquicktextarea_p_p.h
+++ b/src/quicktemplates2/qquicktextarea_p_p.h
@@ -102,6 +102,7 @@ public:
     QAccessible::Role accessibleRole() const override;
 #endif
 
+    bool hovered;
     QFont font;
     QQuickItem *background;
     QString placeholder;
diff --git a/src/quicktemplates2/qquicktextfield.cpp b/src/quicktemplates2/qquicktextfield.cpp
index 18a5932a..44da850a 100644
--- a/src/quicktemplates2/qquicktextfield.cpp
+++ b/src/quicktemplates2/qquicktextfield.cpp
@@ -90,7 +90,8 @@ QT_BEGIN_NAMESPACE
 */
 
 QQuickTextFieldPrivate::QQuickTextFieldPrivate()
-    : background(nullptr)
+    : hovered(false)
+    , background(nullptr)
     , focusReason(Qt::OtherFocusReason)
     , accessibleAttached(nullptr)
 {
@@ -347,6 +348,55 @@ void QQuickTextField::setFocusReason(Qt::FocusReason reason)
     emit focusReasonChanged();
 }
 
+/*!
+    \since QtQuick.Controls 2.1
+    \qmlproperty bool QtQuick.Controls::TextField::hovered
+    \readonly
+
+    This property holds whether the text field is hovered.
+
+    \sa hoverEnabled
+*/
+bool QQuickTextField::isHovered() const
+{
+    Q_D(const QQuickTextField);
+    return d->hovered;
+}
+
+void QQuickTextField::setHovered(bool hovered)
+{
+    Q_D(QQuickTextField);
+    if (hovered == d->hovered)
+        return;
+
+    d->hovered = hovered;
+    emit hoveredChanged();
+}
+
+/*!
+    \since QtQuick.Controls 2.1
+    \qmlproperty bool QtQuick.Controls::TextField::hoverEnabled
+
+    This property determines whether the text field accepts hover events. The default value is \c false.
+
+    \sa hovered
+*/
+bool QQuickTextField::isHoverEnabled() const
+{
+    Q_D(const QQuickTextField);
+    return d->hoverEnabled;
+}
+
+void QQuickTextField::setHoverEnabled(bool enabled)
+{
+    Q_D(QQuickTextField);
+    if (enabled == d->hoverEnabled)
+        return;
+
+    setAcceptHoverEvents(enabled);
+    emit hoverEnabledChanged();
+}
+
 void QQuickTextField::classBegin()
 {
     Q_D(QQuickTextField);
@@ -407,6 +457,22 @@ void QQuickTextField::focusOutEvent(QFocusEvent *event)
     setFocusReason(event->reason());
 }
 
+void QQuickTextField::hoverEnterEvent(QHoverEvent *event)
+{
+    Q_D(QQuickTextField);
+    QQuickTextInput::hoverEnterEvent(event);
+    setHovered(d->hoverEnabled);
+    event->setAccepted(d->hoverEnabled);
+}
+
+void QQuickTextField::hoverLeaveEvent(QHoverEvent *event)
+{
+    Q_D(QQuickTextField);
+    QQuickTextInput::hoverLeaveEvent(event);
+    setHovered(false);
+    event->setAccepted(d->hoverEnabled);
+}
+
 void QQuickTextField::mousePressEvent(QMouseEvent *event)
 {
     Q_D(QQuickTextField);
diff --git a/src/quicktemplates2/qquicktextfield_p.h b/src/quicktemplates2/qquicktextfield_p.h
index a3bcb69c..851435a7 100644
--- a/src/quicktemplates2/qquicktextfield_p.h
+++ b/src/quicktemplates2/qquicktextfield_p.h
@@ -66,6 +66,8 @@ class Q_QUICKTEMPLATES2_PRIVATE_EXPORT QQuickTextField : public QQuickTextInput
     Q_PROPERTY(QQuickItem *background READ background WRITE setBackground NOTIFY backgroundChanged FINAL)
     Q_PROPERTY(QString placeholderText READ placeholderText WRITE setPlaceholderText NOTIFY placeholderTextChanged FINAL)
     Q_PROPERTY(Qt::FocusReason focusReason READ focusReason WRITE setFocusReason NOTIFY focusReasonChanged FINAL)
+    Q_PROPERTY(bool hovered READ isHovered NOTIFY hoveredChanged FINAL REVISION 1)
+    Q_PROPERTY(bool hoverEnabled READ isHoverEnabled WRITE setHoverEnabled NOTIFY hoverEnabledChanged FINAL REVISION 1)
 
 public:
     explicit QQuickTextField(QQuickItem *parent = nullptr);
@@ -83,6 +85,12 @@ public:
     Qt::FocusReason focusReason() const;
     void setFocusReason(Qt::FocusReason reason);
 
+    bool isHovered() const;
+    void setHovered(bool hovered);
+
+    bool isHoverEnabled() const;
+    void setHoverEnabled(bool enabled);
+
 Q_SIGNALS:
     void fontChanged();
     void implicitWidthChanged3();
@@ -90,6 +98,8 @@ Q_SIGNALS:
     void backgroundChanged();
     void placeholderTextChanged();
     void focusReasonChanged();
+    Q_REVISION(1) void hoveredChanged();
+    Q_REVISION(1) void hoverEnabledChanged();
     void pressAndHold(QQuickMouseEvent *mouse);
 
 protected:
@@ -102,6 +112,8 @@ protected:
 
     void focusInEvent(QFocusEvent *event) override;
     void focusOutEvent(QFocusEvent *event) override;
+    void hoverEnterEvent(QHoverEvent *event) override;
+    void hoverLeaveEvent(QHoverEvent *event) override;
     void mousePressEvent(QMouseEvent *event) override;
     void mouseMoveEvent(QMouseEvent *event) override;
     void mouseReleaseEvent(QMouseEvent *event) override;
diff --git a/src/quicktemplates2/qquicktextfield_p_p.h b/src/quicktemplates2/qquicktextfield_p_p.h
index 293b53de..dd355145 100644
--- a/src/quicktemplates2/qquicktextfield_p_p.h
+++ b/src/quicktemplates2/qquicktextfield_p_p.h
@@ -93,6 +93,7 @@ public:
     QAccessible::Role accessibleRole() const override;
 #endif
 
+    bool hovered;
     QFont font;
     QQuickItem *background;
     QString placeholder;